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Canadian application, no grantCanada

Channelization and encoding for text information services transmitted via radiocommunication systems

CA 2332901 A1 · Owner: Telefonaktiebolaget Lm Ericsson · Inventors: Raith, Alex Krister

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention sets forth techniques for channelizing and encoding various broadcast information services using for example, a broadcast control , channel to provide information to a mobile station user. The mobile station may be a receive-only device, similar to a simple pager or may be a , receive/transmit device, such as a mobile phone. In order to limit the capacity of the broadcast channel that is consumed by e.g. a Security Quote , service, an efficient encoding and channelization method is provided. The method includes separating the short-message-service broadcast control channel into 3 logical sub-channels: a Security Name channel a Start Value channel , and a Delta …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed May 21, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 21, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 21, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 21, 1999
GrantedNo grant recorded
Term endedMay 21, 2019
Patent numberCA 2332901 A1
Classification (IPC)H04H20/71 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedMay 21, 1999Term endedMay 21, 2019

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.